Its daytrading patterns. If you sit in front of a screen and watch L2 all day (which you should if you are going to trade high volume pinksheets) you can get an idea of how these MMs work to maximize profits...
I'm sitting on BID currently "testing" if they are going to sell this down to me. Yesterday they were dumping into the bids for the shock and awe to lower PPS.
This is all manipulation to accumulate shares without skyrocketing the PPS...
Should see .07+ today as pressure continues to build